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Digital Video and HD
book

Digital Video and HD

by Charles Poynton
January 2003
Intermediate to advanced content levelIntermediate to advanced
736 pages
30h 54m
English
Morgan Kaufmann
Content preview from Digital Video and HD
BRIGHTNESS
and
CONTRAST
controls 3
Figure 3.1 CONTRAST control
determines the luminance
(proportional to intensity)
produced for white, with inter-
mediate values toward black
being scaled appropriately. In a
well-designed monitor, adjusting
CONTRAST maintains the correct
black setting- ideally, zero input
signal produces zero luminance
at any
CONTRAST
setting.
This chapter introduces the
BRIGHTNESS
and CONTRAST
controls of video. Beware: Their names are sources of
confusion! These operations are normally effected in
the nonlinear domain - that is, on gamma-corrected
signals. These operations are normally ...
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Publisher Resources

ISBN: 9781558607927